<!DOCTYPE html>
<html>
<head>
    <title>商品详情</title>

    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>

    <title>商品详情</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
    <!-- jquery -->
    <script type="text/javascript" src="/js/jquery.min.js"></script>
    <!-- bootstrap -->
    <link rel="stylesheet" type="text/css" href="/bootstrap/css/bootstrap.min.css"/>
    <script type="text/javascript" src="/bootstrap/js/bootstrap.min.js"></script>
    <!-- jquery-validator -->
    <script type="text/javascript" src="/jquery-validation/jquery.validate.min.js"></script>
    <script type="text/javascript" src="/jquery-validation/localization/messages_zh.min.js"></script>
    <!-- layer -->
    <script type="text/javascript" src="/layer/layer.js"></script>
    <!-- md5.js -->
    <script type="text/javascript" src="/js/md5.min.js"></script>
    <!-- common.js -->
    <script type="text/javascript" src="/js/common.js"></script>
</head>
<body>

<div class="panel panel-default" style="height:100%;background-color:rgba(222,222,222,0.8)">
    <div class="panel-heading"><h1>秒杀商品详情</h1></div>
    <div class="panel-body">
        <!--如果user为空，则表明没有登录-->
        <span id="userTip" style="color: black;font-size: large">您还没有登录，请登陆后再操作<br/></span>
        <br/>
        <!--<span>没有收货地址的提示……</span>-->
    </div>
    <table class="table" id="goodslist">
        <tr>
            <td>商品名称</td>
            <td colspan="3" id="goodsName"></td>
        </tr>
        <tr>
            <td>商品图片</td>
            <td colspan="3"><img id="goodsImg" width="200" height="200"/></td>
        </tr>
        <tr>
            <td>秒杀开始时间</td>
            <!--格式转换-->
            <td id="startTime"></td>
            <!--秒杀状态-->
            <td>
                <input type="hidden" id="remainSeconds"/>
                <span id="skTip"></span>
            </td>
            <td>
                <div class="row">
                    <div class="form-inline">
                        <img id="verifyCodeImg" width="80" height="32" style="display:none"
                             onclick="refreshVerifyCode()"/>
                        <input id="verifyCode" class="form-control" style="display:none"/>
                        <button class="btn btn-primary" type="button" id="buyButton" onclick="getSkPath()">立即秒杀
                        </button>
                    </div>
                </div>
                <input type="hidden" name="goodsId" id="goodsId"/>
            </td>
        </tr>
        <tr>
            <td>商品原价</td>
            <td colspan="3" id="goodsPrice"></td>
        </tr>
        <tr>
            <td>秒杀价</td>
            <td colspan="3" id="seckillPrice"></td>
        </tr>
        <tr>
            <td>库存数量</td>
            <td colspan="3" id="stockCount"></td>
        </tr>
    </table>
</div>

</body>

<script>
    /*秒杀接口隐藏*/
    function getSkPath() {
        var goodsId = $("#goodsId").val();
        g_showLoading();
        $.ajax({
            url: "/seckill/path",
            type: "GET",
            data: {
                goodsId: goodsId,
                verifyCode: $("#verifyCode").val() // 获取验证码的值
            },
            success: function (data) {
                if (data.code == 0) {
                    var path = data.data;// 获取服务端返回的秒杀地址
                    doSeckill(path);// 真正做秒杀的接口
                } else {
                    layer.msg(data.msg);
                }
            },
            error: function () {
                layer.msg("客户端请求有误");
            }
        });
    }

    /*真正做秒杀的接口, path为服务端返回的秒杀接口地址*/
    function doSeckill(path) {
        $.ajax({
            url: "/seckill/" + path + "/doSeckill",
            type: "POST",
            data: {
                goodsId: $("#goodsId").val()
            },
            success: function (data) {
                if (data.code == 0) {
                    //window.location.href="/order_detail.htm?orderId="+data.data.id;
                    getSkResult($("#goodsId").val());
                } else {
                    layer.msg(data.msg);
                }
            },
            error: function () {
                layer.msg("客户端请求有误");
            }
        });
    }

    /*获取秒杀的结果*/
    function getSkResult(goodsId) {
        g_showLoading();// 加载中
        $.ajax({
            url: "/seckill/result",
            type: "GET",
            data: {
                goodsId: $("#goodsId").val()
            },
            success: function (data) {
                if (data.code == 0) {
                    var result = data.data;
                    if (result < 0) {
                        layer.msg("对不起，秒杀失败");
                    } else if (result == 0) {// 继续轮询发送秒杀请求
                        setTimeout(function () {
                            getSkResult(goodsId);
                        }, 200);// 轮询间隔200ms
                    } else {
                        layer.confirm("恭喜你，秒杀成功！查看订单？", {btn: ["确定", "取消"]},
                            // 确定的回调
                            function () {
                                window.location.href = "/order_detail.htm?orderId=" + result;
                            },
                            // 取消的回调
                            function () {
                                layer.closeAll();
                            });
                    }
                } else {
                    layer.msg(data.msg);
                }
            },
            error: function () {
                layer.msg("客户端请求有误");
            }
        });
    }

    // 使用ajax从服务端请求页面数据, 跳转到这个页面时就会执行(function有$)
    $(function () {
        // countDown();
        getDetail();
    });

    /*获取商品详情*/
    function getDetail() {
        var goodsId = g_getQueryString("goodsId");// goodsId为goods_list.html中详情url中的参数
        $.ajax({
            url: "/goods/getDetails/" + goodsId,
            type: "GET",
            success: function (data) {
                if (data.code == 0) {
                    render(data.data);
                } else {
                    layer.msg(data.msg);
                }
            },
            error: function () {
                layer.msg("客户端请求有误");
            }
        });
    }

    /*渲染页面*/
    function render(detail) {
        var seckillStatus = detail.seckillStatus;
        var remainSeconds = detail.remainSeconds;
        var goods = detail.goods;
        var user = detail.user;
        console.log(detail);
        // console.log(goods);
        // console.log(user);
        if (user != null) {
            // $("#userTip").hide();
            $("#userTip").text(user.nickname+" 你好！");
            console.log(user.nickname);
        }

        $("#goodsName").text(goods.goodsName);
        $("#goodsImg").attr("src", goods.goodsImg);
        $("#startTime").text(new Date(goods.startDate).format("yyyy-MM-dd hh:mm:ss"));
        $("#remainSeconds").val(remainSeconds);
        $("#goodsId").val(goods.id);
        $("#goodsPrice").text(goods.goodsPrice);
        $("#seckillPrice").text(goods.seckillPrice);
        $("#stockCount").text(goods.stockCount);
        countDown();
    }

    function countDown() {
        var remainSeconds = $("#remainSeconds").val();
        var timeout;
        if (remainSeconds > 0) {// 秒杀还没开始，倒计时
            $("#buyButton").attr("disabled", true);
            $("#skTip").html("秒杀倒计时：" + remainSeconds + "秒");
            timeout = setTimeout(function () {
                $("#countDown").text(remainSeconds - 1);
                $("#remainSeconds").val(remainSeconds - 1);
                countDown();
            }, 1000);
        } else if (remainSeconds == 0) { // 秒杀进行中
            $("#buyButton").attr("disabled", false);
            if (timeout) {
                clearTimeout(timeout);
            }
            $("#skTip").html("秒杀进行中");
            // 在倒计时结束时获取验证码（使用ajax异步向服务器请求验证码图片）
            $("#verifyCodeImg").attr("src", "/seckill/verifyCode?goodsId=" + $("#goodsId").val());
            $("#verifyCodeImg").show();// 从服务器加载完验证码图片后，显示出来
            $("#verifyCode").show();
        } else {//秒杀已经结束
            $("#buyButton").attr("disabled", true);
            $("#skTip").html("秒杀已经结束");
            $("#verifyCodeImg").hide();
            $("#verifyCode").hide();
        }
    }

    /*点击验证码图片时，从服务器异步获取另一张验证码码图片*/
    function refreshVerifyCode() {
        console.log("刷新验证码");
        $("#verifyCodeImg").attr("src", "/seckill/verifyCode?goodsId=" + $("#goodsId").val() + "&timestamp=" + new Date().getTime());
    }

</script>


</html>